As of May 31, 2023, we have updated our Code of Conduct.

Questions tagged [value-extraction]

The tag has no usage guidance.

Filter by
Sorted by
Tagged with
0 votes
0 answers

Extracting Pixel values and exporting it as a CSV file - GEE Python API (Google Colab)

I was trying to extract the pixel values and download them as a CSV and I came across this tutorial. I am using Google Colab instead of Jupiter Notebook. I did the following: Using the "Draw a ...
th145's user avatar
  • 75
1 vote
2 answers

Sample Regions - excludes points with masked bands. Google Earth Engine

I have a set of points from around the world and I want to extract the pixel values from a set of images, giving information about the local environment, for each point. Then export the set of values ...
Erin's user avatar
  • 147
0 votes
0 answers

Subtracting multiple rasters one point values from each related raster

I must extract values by point (just one point) from multiple "Tif" format raster and then times these values to -1 and add them to the raster files with raster calculator (calibration). I ...
coral's user avatar
  • 79
0 votes
0 answers

Getting NaN values when I extract pixel values of a raster using a point shapefile in R

I try to extract pixel values at defined points in a raster file in R, using a point shape file. With some raster files it works perfectly, with others it returns 'NaN' values for all extracted points....
Mark's user avatar
  • 25
1 vote
2 answers

Google Earth Engine: error when extracting pixels values of chlorophyll and SST for specific coordinates from SMI Modis Aqua

I'm trying to extract specific pixel values in a csv table of chlorophyll-a and sea surface temperature from Standard Mapped Image MODIS Aqua Data to match to the sampling site over the sampling ...
JenApp's user avatar
  • 13
1 vote
1 answer

Extracting band values of an Image Collection over a point shapefile in GEE

I have an image collection in GEE consisting of 36 images, each with 23 bands of Sentinel 2 data (S2L2A). I also have a point shapefile that I imported as an asset (RAEJORDANESIA_POINT). I want to ...
Paris's user avatar
  • 527
1 vote
0 answers

Negatively buffer edges of thermal resolution raster layer to fit within a higher resolution RGB raster layer to avoid soil temperature extraction [closed]

I want to exclude overhanging thermal pixels in a raster layer to fit within a higher resolution RGB raster layer to avoid extracting any soil temperature. I have tried buffering in QGIS but will only ...
Johan Deutschenbaur's user avatar
1 vote
1 answer

Take information from point along coast and make it inland

I'm trying to create a map in ArcGIS Pro using the National Coastal Erosion Risk Mapping Dataset. The dataset shows the likely amount of erosion (metres) at each point along today's UK coastline. I'm ...
Lucy Kingwell-Meader's user avatar
2 votes
0 answers

Extract Values to Table: wrong number of pixels

Using ArcGIS Pro and arcpy I am iterating through a shapefile using a SearchCursor to extract the pixel values of a raster for each polygon in the shapefile using the Extract Values to Table (...
RArosio's user avatar
  • 21
3 votes
2 answers

Extracting raster values to points using ArcMap

I am working on a project to determine the coastal vulnerability. I have different variables like elevation, LULC, bathymetry, etc. of the entire study area. I am stuck in the middle of my analysis. ...
Badal's user avatar
  • 199